D ? Idk lol I just need points but good luck though
Swamps have excess nutrients in contaminated waters can spur microbial growth and cause harmful algal blooms, which feed mosquito larvae.
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you can say that Native Americans population was decimated when the Europeans came to colonize the land. Many indigenous people died from diseases.
Philippines could not go to Germany or France because they were both economic rivals.
<u>Explanation:</u>
Mc Kinley was always in favor of keeping Philippines with them so that it did not go to countries like Germany and France because both these countries were economic rivals of the United States of America so it would be bad for the economy if Philippines is given away would turn out to be a bad decision. More over it was necessary to civilize the backward people.